Validation of sea ice concentration - American sector
Reference date: 2025-12-04
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8226 |
1246 |
112 |
97 |
12 |
0 |
0 |
0 |
| OW |
22 |
204 |
71 |
132 |
152 |
9 |
0 |
0 |
| VODI |
22 |
147 |
30 |
118 |
134 |
72 |
1 |
0 |
| ODI |
4 |
139 |
52 |
217 |
213 |
205 |
48 |
0 |
| CDI |
0 |
74 |
30 |
183 |
474 |
588 |
237 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
237 |
2569 |
14309 |
15442 |
|
|
Date: 2025-11-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5385 |
3025 |
157 |
227 |
52 |
2 |
0 |
0 |
| OW |
27 |
221 |
50 |
185 |
163 |
82 |
0 |
0 |
| VODI |
1 |
192 |
46 |
118 |
169 |
104 |
10 |
0 |
| ODI |
0 |
142 |
46 |
173 |
229 |
177 |
38 |
0 |
| CDI |
0 |
135 |
42 |
129 |
372 |
1077 |
245 |
2 |
| VCDI |
0 |
0 |
0 |
6 |
70 |
2485 |
14486 |
15777 |
|
|
Date: 2025-12-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3647 |
4005 |
99 |
223 |
102 |
0 |
0 |
0 |
| OW |
25 |
141 |
45 |
79 |
252 |
4 |
0 |
0 |
| VODI |
6 |
130 |
41 |
129 |
262 |
118 |
0 |
0 |
| ODI |
0 |
319 |
45 |
201 |
305 |
184 |
14 |
0 |
| CDI |
0 |
125 |
20 |
134 |
477 |
727 |
182 |
2 |
| VCDI |
0 |
0 |
0 |
3 |
97 |
2383 |
13608 |
17713 |
|
|
Date: 2025-12-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3037 |
4114 |
119 |
121 |
27 |
1 |
0 |
0 |
| OW |
42 |
92 |
32 |
97 |
150 |
62 |
0 |
0 |
| VODI |
32 |
131 |
46 |
114 |
208 |
230 |
0 |
0 |
| ODI |
2 |
400 |
66 |
237 |
343 |
224 |
13 |
0 |
| CDI |
0 |
92 |
2 |
138 |
568 |
639 |
140 |
2 |
| VCDI |
0 |
0 |
0 |
26 |
118 |
1723 |
16060 |
16399 |
|
|
Date: 2025-12-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2838 |
4065 |
106 |
101 |
19 |
1 |
0 |
0 |
| OW |
57 |
103 |
30 |
78 |
37 |
11 |
0 |
0 |
| VODI |
31 |
180 |
51 |
130 |
203 |
142 |
0 |
0 |
| ODI |
10 |
416 |
51 |
228 |
453 |
405 |
23 |
0 |
| CDI |
2 |
17 |
4 |
47 |
480 |
802 |
247 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
277 |
1458 |
12019 |
20711 |
|
|
Date: 2025-12-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2626 |
4053 |
115 |
107 |
32 |
2 |
0 |
0 |
| OW |
92 |
123 |
48 |
63 |
34 |
10 |
0 |
0 |
| VODI |
12 |
265 |
43 |
144 |
165 |
24 |
0 |
0 |
| ODI |
0 |
308 |
63 |
157 |
507 |
386 |
5 |
0 |
| CDI |
0 |
1 |
0 |
48 |
565 |
937 |
396 |
1 |
| VCDI |
0 |
0 |
0 |
9 |
338 |
1888 |
6928 |
25352 |
|
|
Date: 2025-12-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2850 |
3854 |
63 |
79 |
38 |
31 |
0 |
0 |
| OW |
76 |
165 |
19 |
34 |
11 |
30 |
0 |
0 |
| VODI |
27 |
247 |
57 |
115 |
53 |
49 |
2 |
0 |
| ODI |
1 |
123 |
49 |
141 |
265 |
362 |
5 |
0 |
| CDI |
0 |
12 |
11 |
81 |
386 |
1103 |
222 |
4 |
| VCDI |
0 |
1 |
0 |
6 |
155 |
1737 |
11946 |
21437 |
|
|
Date: 2025-12-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2512 |
3859 |
99 |
159 |
19 |
0 |
0 |
0 |
| OW |
110 |
130 |
14 |
74 |
48 |
58 |
2 |
0 |
| VODI |
44 |
114 |
18 |
87 |
66 |
39 |
0 |
0 |
| ODI |
9 |
97 |
13 |
69 |
145 |
81 |
1 |
0 |
| CDI |
0 |
68 |
26 |
111 |
470 |
876 |
80 |
0 |
| VCDI |
0 |
1 |
0 |
2 |
260 |
3856 |
14485 |
17745 |
|
|
Generated by /metno/routine/sms/V2/gxSIvalidation/gxSIwebPageSector.sh Fri Dec 19 03:06:03 UTC 2025 on arcval2